Getting old? (Aren't we all?)  Legs protesting?  Give a hubmotor a look.  I have two available -

First - a 400 watt 36 volt Wilderness Energy Pedal First front hub motor laced to a 20" (406) wheel, with controller and throttle, no batteries.   Yes, you must get your rig up to about 5 mph before the motor kicks in Takes me on my delta trike to 15 mph with ease.  $200 firm

Second - a 1400 watt 36 volt Crystalyte 5303 (almost 2 horse power) laced to a very stout 26" rim mounted on a steel fork with torque arm and v-brake.  This will take you and your rig easily to 30 - 35 mph without pedaling.  Enough power to spin the front tire!  With controller, throttle, no batteries.  $600, firm


Third - a Cyclone driveline motor rated at 360 watts @24 volts.  Mounts to frame between chainring and rear sprocket.  Internal controller, with throttle, no batteries.  With this motor engaged the pedals will spin whether you like it or not, so your feet gotta  move.  Since it applies power to the chain, your rear derailleur will work as a transmission.  $200 firm

pm me or e-mail at Tourezrick@yahoo.com if interested.